fix(package.json): keywords have to be an array
chore(assemble pages): galleries are now generated by assemble.io
now it's easier to create new test pages, all with the same gallery layout
fix(assemble pages): fixed processing of usemin for dist pages
feat(assemble pages): integrated readme.md and a index page
feat(selection): selection functionality also on pads
fix(grunt): fix in watch/reload task for dev serve
feat(test galleries): a test gallery without the selection feature
feat(selection): selection indicators also work without a gallery initialized